INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e26daa4d82b019be675a4a7570f5a75f6078f344b4440fcad5875bad0dd3a3f5', 
    '7cobGD/6B3X61CTRRinjh2OBPk6g2Yjq26xrgdqbWxk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)